RDP protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service and possible code execution
Fix
Patch, vendor advisory and mitigation references on NVD 1
- https://www.wireshark.org/security/wnpa-sec-2026-17.html Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 7.8 · wiresharkNVD modified 2026-10-26 00:10
Affected (CPE criteria) 1
cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*
References 7
- https://gitlab.com/wireshark/wireshark/-/issues/21105 Exploit, Issue Tracking, Third Party Advisory
- https://www.wireshark.org/security/wnpa-sec-2026-17.html Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:20600
- https://access.redhat.com/errata/RHSA-2026:26182
- https://access.redhat.com/security/cve/CVE-2026-5405
- https://bugzilla.redhat.com/show_bug.cgi?id=2464273
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-5405.json